3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass(); $obj->foo = "bar"; $obj->{'foo bar'} = 42; var_dump($obj); $arr = array('foo' => 'bar', 'foo bar' => 42); var_dump((object) $arr);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.40.0040.01118.59
8.3.30.0140.00418.91
8.3.20.0080.00020.29
8.3.10.0060.00323.64
8.3.00.0040.00419.38
8.2.170.0110.00722.96
8.2.160.0050.00920.52
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00020.75
8.2.110.0030.00722.05
8.2.100.0040.00817.78
8.2.90.0000.00817.72
8.2.80.0080.00017.97
8.2.70.0120.00017.25
8.2.60.0050.00317.92
8.2.50.0000.00818.07
8.2.40.0000.00818.05
8.2.30.0040.00417.91
8.2.20.0000.00817.72
8.2.10.0040.00418.08
8.2.00.0000.00817.63
8.1.270.0080.00023.88
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0060.00322.38
8.1.230.0080.00320.96
8.1.220.0050.00317.78
8.1.210.0050.00318.95
8.1.200.0030.00917.35
8.1.190.0030.00617.13
8.1.180.0070.00018.10
8.1.170.0050.00518.62
8.1.160.0050.00322.00
8.1.150.0060.00318.75
8.1.140.0040.00417.36
8.1.130.0030.00317.74
8.1.120.0040.00417.42
8.1.110.0050.00317.43
8.1.100.0060.00317.39
8.1.90.0040.00417.41
8.1.80.0040.00417.41
8.1.70.0070.00017.38
8.1.60.0080.00017.60
8.1.50.0040.00417.38
8.1.40.0040.00417.39
8.1.30.0030.00617.53
8.1.20.0030.00517.68
8.1.10.0000.00717.58
8.1.00.0060.00317.33
8.0.300.0050.00219.90
8.0.290.0040.00416.63
8.0.280.0000.00718.26
8.0.270.0000.00717.14
8.0.260.0000.00617.20
8.0.250.0030.00316.79
8.0.240.0000.00816.83
8.0.230.0030.00316.83
8.0.220.0040.00416.88
8.0.210.0000.00916.88
8.0.200.0000.00616.84
8.0.190.0040.00416.93
8.0.180.0040.00416.82
8.0.170.0000.00816.72
8.0.160.0040.00416.77
8.0.150.0070.00016.71
8.0.140.0040.00416.76
8.0.130.0030.00313.22
8.0.120.0040.00416.81
8.0.110.0070.00016.85
8.0.100.0030.00516.80
8.0.90.0030.00316.73
8.0.80.0080.00816.75
8.0.70.0040.00416.92
8.0.60.0020.00516.79
8.0.50.0040.00416.89
8.0.30.0100.00917.06
8.0.20.0100.01417.40
8.0.10.0040.00416.77
8.0.00.0100.00616.75
7.4.330.0040.00415.00
7.4.320.0000.00616.66
7.4.300.0000.00616.52
7.4.290.0070.00016.53
7.4.280.0040.00416.59
7.4.270.0070.00016.36
7.4.260.0030.00316.53
7.4.250.0020.00516.50
7.4.240.0020.00516.53
7.4.230.0000.00716.36
7.4.220.0100.00716.44
7.4.210.0030.01016.46
7.4.200.0030.00316.70
7.4.160.0100.00516.34
7.4.150.0070.01317.40
7.4.140.0110.00617.86
7.4.130.0050.01116.44
7.4.120.0070.01016.50
7.4.110.0100.00716.37
7.4.100.0080.00816.32
7.4.90.0140.00316.42
7.4.80.0080.01219.39
7.4.70.0160.00216.37
7.4.60.0040.01416.32
7.4.50.0030.00616.35
7.4.40.0150.00316.44
7.4.30.0060.00916.68
7.4.00.0040.01514.77
7.3.330.0000.00513.18
7.3.320.0030.00313.17
7.3.310.0080.00016.12
7.3.300.0030.00316.35
7.3.290.0090.00616.23
7.3.280.0080.00916.36
7.3.270.0090.00917.40
7.3.260.0060.01516.52
7.3.250.0110.00716.27
7.3.240.0070.01016.33
7.3.230.0170.00016.39
7.3.210.0110.01716.27
7.3.200.0080.00819.39
7.3.190.0070.01316.53
7.3.180.0110.00416.38
7.3.170.0030.01316.43
7.3.160.0070.01016.25
7.2.330.0110.00716.74
7.2.320.0100.00716.29
7.2.310.0080.00816.70
7.2.300.0060.01216.39
7.2.290.0100.00716.43
7.2.60.0040.01116.77
7.2.00.0040.00819.13
7.1.200.0110.00315.72
7.1.100.0000.00918.27
7.1.70.0100.00017.18
7.1.60.0070.01719.46
7.1.50.0030.01017.05
7.1.00.0030.07722.48
7.0.200.0030.00616.37
7.0.140.0070.07022.15
7.0.60.0030.05720.02
7.0.50.0070.08317.90
7.0.40.0030.04720.08
7.0.30.0200.04020.33
7.0.20.0230.04720.02
7.0.10.0170.08020.09
7.0.00.0070.06720.17
5.6.280.0000.07321.02
5.6.210.0070.06020.62
5.6.200.0030.07018.12
5.6.190.0030.05020.57
5.6.180.0430.07320.43
5.6.170.0030.06320.36
5.6.160.0070.07720.52
5.6.150.0170.06718.18
5.6.140.0130.04318.21
5.6.130.0030.04318.10
5.6.120.0000.04321.12
5.6.110.0070.08720.98
5.6.100.0100.07321.02
5.6.90.0200.07320.96
5.6.80.0030.04320.39
5.6.70.4430.04320.27
5.5.350.0100.07020.34
5.5.340.0000.07717.98
5.5.330.0170.06320.24
5.5.320.4070.04320.51
5.5.310.0300.07020.07
5.5.300.0000.08717.91
5.5.290.0030.08317.88
5.5.280.0100.07020.88
5.5.270.0030.05020.83
5.5.260.0030.09020.86
5.5.250.0070.08020.54
5.5.240.0130.08720.14
5.4.450.0430.04019.26
5.4.440.0430.04319.13
5.4.430.0100.04719.38
5.4.420.0100.04319.21
5.4.410.0470.02719.33
5.4.400.0200.03319.18
5.4.390.0030.04319.16
5.4.380.1100.07318.68
5.4.370.1170.05318.73
5.4.360.0970.05018.46
5.4.350.0870.05018.56
5.4.340.1070.06018.69
5.4.320.0070.03612.46
5.4.310.0060.03812.45
5.4.300.0050.03712.45
5.4.290.0060.03712.45
5.4.280.0100.03012.35
5.4.270.0070.03712.34
5.4.260.0040.04012.35
5.4.250.0080.03612.35
5.4.240.0050.03712.35
5.4.230.0060.03812.34
5.4.220.0080.03412.34
5.4.210.0060.03512.34
5.4.200.0060.03712.34
5.4.190.0040.03812.34
5.4.180.0050.03612.34
5.4.170.0120.02912.35
5.4.160.0050.04012.35
5.4.150.0070.03412.34
5.4.140.0040.03812.03
5.4.130.0110.03012.01
5.4.120.0050.03611.97
5.4.110.0070.03411.97
5.4.100.0070.03411.97
5.4.90.0060.03611.97
5.4.80.0060.03611.96
5.4.70.0060.03411.96
5.4.60.0070.03711.96
5.4.50.0050.03611.96
5.4.40.0040.03611.95
5.4.30.0050.03611.95
5.4.20.0030.03711.95
5.4.10.0080.03111.95
5.4.00.0050.03611.44
5.3.290.0080.03612.80
5.3.280.0070.03712.71
5.3.270.0060.03912.72
5.3.260.0070.03812.72
5.3.250.0050.03712.72
5.3.240.0060.03812.72
5.3.230.0060.03812.71
5.3.220.0070.03712.68
5.3.210.0060.03912.68
5.3.200.0080.03612.68
5.3.190.0080.04812.68
5.3.180.0090.03912.67
5.3.170.0070.04112.66
5.3.160.0100.04712.67
5.3.150.0090.03812.67
5.3.140.0050.03712.66
5.3.130.0050.04012.65
5.3.120.0080.03812.65
5.3.110.0090.03512.66
5.3.100.0070.03512.12
5.3.90.0050.03912.09
5.3.80.0090.03312.07
5.3.70.0090.03412.07
5.3.60.0070.03512.07
5.3.50.0090.03312.00
5.3.40.0040.03712.00
5.3.30.0090.03111.94
5.3.20.0070.03511.72
5.3.10.0070.03411.69
5.3.00.0090.04311.68
5.2.170.0070.0289.18
5.2.160.0030.0309.18
5.2.150.0030.0319.18
5.2.140.0050.0309.18
5.2.130.0040.0299.13
5.2.120.0040.0299.14
5.2.110.0060.0339.14
5.2.100.0050.0289.14
5.2.90.0060.0279.14
5.2.80.0060.0299.13
5.2.70.0030.0319.13
5.2.60.0070.0279.09
5.2.50.0020.0329.05
5.2.40.0060.0269.04
5.2.30.0040.0319.01
5.2.20.0050.0289.00
5.2.10.0050.0318.92
5.2.00.0020.0338.78
5.1.60.0040.0258.06
5.1.50.0040.0258.06
5.1.40.0020.0288.04
5.1.30.0030.0378.39
5.1.20.0040.0288.41
5.1.10.0060.0328.14
5.1.00.0050.0258.13
5.0.50.0040.0266.61
5.0.40.0080.0236.47
5.0.30.0050.0296.28
5.0.20.0010.0226.26
5.0.10.0030.0206.24
5.0.00.0040.0306.23
4.4.90.0020.0164.78
4.4.80.0020.0194.76
4.4.70.0050.0134.76
4.4.60.0030.0154.75
4.4.50.0000.0174.77
4.4.40.0030.0254.71
4.4.30.0040.0154.76
4.4.20.0030.0174.84
4.4.10.0010.0174.85
4.4.00.0040.0244.76
4.3.110.0050.0134.67
4.3.100.0040.0204.67
4.3.90.0050.0184.64
4.3.80.0060.0274.59
4.3.70.0040.0184.63
4.3.60.0020.0194.63
4.3.50.0000.0184.63
4.3.40.0040.0234.53
4.3.30.0030.0203.28
4.3.20.0020.0163.26
4.3.10.0010.0163.21
4.3.00.0000.01718.23

preferences:
40.09 ms | 400 KiB | 5 Q